Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 13:33

General

  • Target

    f9cf89a4ee8ac44cb01eec76789801103566fd745f4ae0a1fd0936d3bdbf3e39.exe

  • Size

    81KB

  • MD5

    a768b21b3e687cdd3d3849bea2308312

  • SHA1

    c72a66cc8bf608499f8a93ca2c9ab2e82a3d75de

  • SHA256

    f9cf89a4ee8ac44cb01eec76789801103566fd745f4ae0a1fd0936d3bdbf3e39

  • SHA512

    c2904fa97aef192783ba4cd0ca001ec564121120a1d29e50d658a9f66fc2c01a53c51df14d3703b00b623ed6e23306f30865e64e74ab13bec23661c5d070ab6a

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOi4t1:GhfxHNIreQm+HiJ4t1

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9cf89a4ee8ac44cb01eec76789801103566fd745f4ae0a1fd0936d3bdbf3e39.exe
    "C:\Users\Admin\AppData\Local\Temp\f9cf89a4ee8ac44cb01eec76789801103566fd745f4ae0a1fd0936d3bdbf3e39.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5092
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:4728

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\notepad¢¬.exe

          Filesize

          83KB

          MD5

          a7e9154c3d189f2a3166a35686ab943a

          SHA1

          0bd740a9cead8fd0882363e095238f1d4cab3320

          SHA256

          ab3ef812031f241c984c54602c8d64a3300c15e37b71f8cf3e6073566199316a

          SHA512

          2a4fa421197da9b762bf69c84070cfde3869b471e0b4bb55746a2815ac42a67c356b395de0110fba5157918a3567da630b9023420c087e9fa02b0836f8ea8b76

        • C:\Windows\System\rundll32.exe

          Filesize

          76KB

          MD5

          13983c402307ef7511970c4f318c2223

          SHA1

          9faaff84b18dee46321d716de9074f5bde839b64

          SHA256

          1a30225edb8f7fa873c63b4d478f4ee8198ba8f670b2eb4d3bee7f68485d1d71

          SHA512

          a961f05d1a3f2d83c16d4bfd927aad710835e4efd5d2e48f305697b600e92ac30e802932a56c11058ad31cc5aa5635c0a1cf8611e47394842016f53c02ca6455

        • memory/5092-0-0x0000000000400000-0x0000000000415A00-memory.dmp

          Filesize

          86KB

        • memory/5092-13-0x0000000000400000-0x0000000000415A00-memory.dmp

          Filesize

          86KB